arm64: defconfig: reenable SM_DISPCC_8250

CONFIG_SM_DISPCC_8250 is not enabled by default, but it is still
necessary for the Qualcomm RB5 board. Reenable it (as it was enabled
before the commit dde8cd78 ("arm64: defconfig: rebuild default
configuration")).

Cc: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Fixes: dde8cd78 ("arm64: defconfig: rebuild default configuration")
Signed-off-by: NDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220404215913.1497172-1-dmitry.baryshkov@linaro.org

arch/arm64/configs/defconfig

@@ -1032,6 +1032,7 @@ CONFIG_SM_GCC_8350=y
 CONFIG_SM_GCC_8450=y
 CONFIG_SM_GPUCC_8150=y
 CONFIG_SM_GPUCC_8250=y
+CONFIG_SM_DISPCC_8250=y
 CONFIG_QCOM_HFPLL=y
 CONFIG_CLK_GFM_LPASS_SM8250=m
 CONFIG_CLK_RCAR_USB2_CLOCK_SEL=y